Home / 722,082,839,344.34-1,083,128,874,568.30-212,139,520,615.24

Finding the Fourth Proportional to 722,082,839,344.34, 1,083,128,874,568.30 and 212,139,520,615.24

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Solution

The fourth proportional to 722,082,839,344.34, 1,083,128,874,568.30 and 212,139,520,615.24 is: 318,210,636,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,082,839,344.34 : 1,083,128,874,568.30 = 212,139,520,615.24 : x
  2. Step 2: Convert to fraction form
    722,082,839,344.34/1,083,128,874,568.30 = 212,139,520,615.24/x
  3. Step 3: Cross multiply
    722,082,839,344.34x = 1,083,128,874,568.30 × 212,139,520,615.24
  4. Step 4: Simplify right side
    722,082,839,344.34x = 229,774,440,215,443,568,328,704
  5. Step 5: Solve for x
    x = 229,774,440,215,443,568,328,704/722,082,839,344.34
  6. Step 6: Final answer
    x = 318,210,636,918.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.